ES8504415A1 - Perfeccionamientos introducidos en un aparato de tratamiento de senal digital - Google Patents

Perfeccionamientos introducidos en un aparato de tratamiento de senal digital

Info

Publication number
ES8504415A1
ES8504415A1 ES533504A ES533504A ES8504415A1 ES 8504415 A1 ES8504415 A1 ES 8504415A1 ES 533504 A ES533504 A ES 533504A ES 533504 A ES533504 A ES 533504A ES 8504415 A1 ES8504415 A1 ES 8504415A1
Authority
ES
Spain
Prior art keywords
digital
sen
als
elements
improvements introduced
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES533504A
Other languages
English (en)
Spanish (es)
Other versions
ES533504A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Publication of ES533504A0 publication Critical patent/ES533504A0/es
Publication of ES8504415A1 publication Critical patent/ES8504415A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
ES533504A 1983-06-24 1984-06-18 Perfeccionamientos introducidos en un aparato de tratamiento de senal digital Expired ES8504415A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/507,555 US4573075A (en) 1983-06-24 1983-06-24 Digital signal coring apparatus with controllable coring threshold level

Publications (2)

Publication Number Publication Date
ES533504A0 ES533504A0 (es) 1985-04-01
ES8504415A1 true ES8504415A1 (es) 1985-04-01

Family

ID=24019111

Family Applications (1)

Application Number Title Priority Date Filing Date
ES533504A Expired ES8504415A1 (es) 1983-06-24 1984-06-18 Perfeccionamientos introducidos en un aparato de tratamiento de senal digital

Country Status (12)

Country Link
US (1) US4573075A (cs)
JP (1) JPS60216675A (cs)
KR (1) KR920010506B1 (cs)
AT (1) AT386503B (cs)
AU (1) AU572155B2 (cs)
CA (1) CA1219344A (cs)
DE (1) DE3423112C2 (cs)
ES (1) ES8504415A1 (cs)
FR (1) FR2549316B1 (cs)
GB (1) GB2142204B (cs)
HK (1) HK60291A (cs)
IT (1) IT1174006B (cs)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR890004220B1 (ko) * 1984-06-30 1989-10-27 마쯔시다덴기산교 가부시기가이샤 영상신호 처리장치
DE3789209T2 (de) * 1986-12-15 1994-09-01 Philips Electronics Na Vorrichtung zur Verarbeitung eines Fernsehsignals mit Steigzeitnormalisierung und Rauschminderung.
US4853795A (en) * 1987-07-24 1989-08-01 Eastman Kodak Company Forward look ahead techniques for tracking background and noise levels in scanned video images
US4868670A (en) * 1987-07-24 1989-09-19 Eastman Kodak Company Apparatus and method for improving the compressibility of an enhanced image through use of a momentarily varying threshold level
US4982294A (en) * 1987-07-24 1991-01-01 Eastman Kodak Company Apparatus for enhancing and thresholding scanned microfilm images and methods for use therein
JPH01204573A (ja) * 1988-02-10 1989-08-17 Sony Corp 雑音低減回路
JPH01220975A (ja) * 1988-02-29 1989-09-04 Toshiba Corp 画質調整回路
EP0425761A3 (en) * 1989-10-05 1991-09-11 Pioneer Electronic Corporation Noise reduction circuit for image signal and image displaying system
US5025316A (en) * 1989-11-06 1991-06-18 North American Philips Corporation Video noise reduction system with measured noise input
US5107341A (en) * 1990-04-30 1992-04-21 Thompson Consumer Electronics, Inc. Color television apparatus with picture-in-picture processing and with variable chrominance signal filtering
US5134482A (en) * 1990-11-26 1992-07-28 North American Philips Corporation Adjustable video sharpness circuit
DE4105517C2 (de) * 1991-02-22 1995-11-16 Hell Ag Linotype Verfahren und Vorrichtung zur verbesserten Wiedergabe von Konturen
US5313298A (en) * 1992-03-05 1994-05-17 Rubin, Bednarek And Associates, Inc. Video companding method and system
DE4239396C1 (de) * 1992-11-24 1994-02-24 Itt Ind Gmbh Deutsche Verfahren zur Erzeugung eines modifizierten Videosignals
IT1258122B (it) * 1992-11-25 1996-02-20 Seleco Spa Sistema migliorativo del contrasto di immagini video utilizzante un filtro di volterra del secondo ordine.
DE4319834C2 (de) * 1993-06-17 1996-11-28 Loewe Opta Gmbh Fernsehempfangsgerät mit digitaler Signalverarbeitung des Videosignals
KR0170657B1 (ko) * 1994-08-31 1999-03-30 김광호 색신호에 있는 윤곽을 보정하는 방법 및 이를 칼라 비디오기기에서 구현하기 위한 회로
EP0731601B2 (en) * 1995-03-06 2006-10-18 Matsushita Electric Industrial Co., Ltd. Video signal noise reduction apparatus
KR100230391B1 (ko) * 1996-11-29 1999-11-15 윤종용 휘도신호의 윤곽성분을 적응적으로 보정하는방법 및 회로
EP0940977B1 (en) * 1997-08-26 2007-11-28 Matsushita Electric Industrial Co., Ltd. Apparatus for correcting vertical contours
DE10011060B4 (de) * 2000-03-07 2008-02-28 Bts Holding International B.V. Rauschreduzierer
DE10051074C1 (de) 2000-10-14 2002-02-28 Grundig Ag Verfahren und Vorrichtung zur Rauschreduktion bei einer pulsbreitengesteuerten Bildanzeigevorrichtung
DE10138353A1 (de) * 2001-08-04 2002-02-28 Grundig Ag Verfahren und Vorrichtung bei einer pulsbreitengesteuerten Bildanzeigevorrichtung
TW201345262A (zh) * 2012-04-20 2013-11-01 Novatek Microelectronics Corp 影像處理電路及影像處理方法
KR101427919B1 (ko) * 2012-10-11 2014-09-23 현대자동차 주식회사 차량의 배출가스 정화장치 및 재생방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3333055A (en) * 1963-06-01 1967-07-25 Fernseh Gmbh Apparatus for increasing the signal-to-noise ratio of a television signal
DE1908247B2 (de) * 1969-02-19 1971-03-04 Fernseh Gmbh, 6100 Darmstadt Schaltungsanordnung zur verringerung von stoerungen hoeherer frequenz (rauschen) in breitbandigen elektrischen signalen insbesondere fernsehsignalen
US3715477A (en) * 1971-03-11 1973-02-06 Rca Corp Video signal noise-limiting apparatus
JPS50102218A (cs) * 1974-01-09 1975-08-13
JPS5515908B2 (cs) * 1974-08-14 1980-04-26
JPS5761966B2 (cs) * 1975-02-03 1982-12-27 Babcock Hitachi Kk
US4009334A (en) * 1976-03-17 1977-02-22 Eastman Kodak Company Video noise reduction circuit
US4167749A (en) * 1977-05-26 1979-09-11 Rca Corporation Noise reduction apparatus
JPS54127623A (en) * 1978-03-27 1979-10-03 Nec Corp S/n improving device for television video signal
GB2033190B (en) * 1978-09-21 1983-02-09 Sony Corp Video noise reduction system
US4245237A (en) * 1979-05-11 1981-01-13 Rca Corporation Controllable non-linear processing of video signals
GB2059203B (en) * 1979-09-18 1984-02-29 Victor Company Of Japan Digital gain control
US4268864A (en) * 1979-12-05 1981-05-19 Cbs Inc. Image enhancement system for television
US4358788A (en) * 1981-02-27 1982-11-09 Rca Corporation Legibility for alpha-mosaic characters
ES8307427A1 (es) * 1981-04-06 1983-06-16 Rca Corp Un aparato para analizar la caracteristica de transicion de senal de una senal de video en un sistema de tratamiento de datos.
US4437124A (en) * 1982-04-30 1984-03-13 Rca Corporation Dynamic coring circuit
US4437123A (en) * 1982-04-30 1984-03-13 Rca Corporation Dynamically controlled horizontal peaking system

Also Published As

Publication number Publication date
FR2549316A1 (fr) 1985-01-18
DE3423112C2 (de) 1992-05-27
JPH0438187B2 (cs) 1992-06-23
IT8421416A0 (it) 1984-06-14
AU2946084A (en) 1985-01-03
ES533504A0 (es) 1985-04-01
GB2142204A (en) 1985-01-09
AU572155B2 (en) 1988-05-05
ATA203184A (de) 1988-01-15
GB8415639D0 (en) 1984-07-25
HK60291A (en) 1991-08-09
KR920010506B1 (ko) 1992-11-30
GB2142204B (en) 1986-10-29
JPS60216675A (ja) 1985-10-30
CA1219344A (en) 1987-03-17
AT386503B (de) 1988-09-12
IT1174006B (it) 1987-06-24
US4573075A (en) 1986-02-25
FR2549316B1 (fr) 1989-10-13
KR850000884A (ko) 1985-03-09
DE3423112A1 (de) 1985-01-03

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